Madrid (MAD) to Washington (IAD) flight deal in economy from $609

Thursday, August 20th, 2026

3 round-trip options

Returning
Sat, Aug 29, 20269 Day Trip
$855 USD
Returning
Sun, Aug 30, 202610 Day Trip
$844 USD
Returning
Tue, Sep 1, 202612 Day Trip
$816 USD